In mathematics , a
paraboloid is a quadric surface of special kind. There are two kinds of
paraboloids: elliptic and hyperbolic.
Kaynak: ParaboloidIn the theory of quadratic form s, the parabola is the graph of the quadratic form x^2 (or other scalings), while the elliptic
paraboloidKaynak: ParabolaA parabolic (or
paraboloid or paraboloidal) reflector (or dish or mirror) is a reflective surface used to collect or project energy such
Kaynak: Parabolic reflectorFlamm's
paraboloid : Image:Flamm. jpg | A plot of Flamm's
paraboloid. It should not be confused with the unrelated concept of a gravity well .
Kaynak: Schwarzschild metricA rotating furnace is a device for making solid objects which have concave surfaces that are segments of axially symmetrical
paraboloid s
Kaynak: Rotating furnaceGolden Bay is a shallow,
paraboloid shaped bay at the northwest end of New Zealand 's South Island . An arm of the Tasman Sea , the bay
Kaynak: Golden BayThe 4C Array is a cylindrical
paraboloid radio telescope at the Mullard Radio Astronomy Observatory . It is similar in design to the
Kaynak: 4C ArrayIsaac Newton noted that the free surface of a rotating liquid forms a circular
paraboloid and can therefore be used as a telescope, but
Kaynak: Liquid mirror telescopeSee also:
Paraboloid / Hyperbolic
paraboloid Hyperboloid structure Ruled surface de Sitter space Vladimir Shukhov References : Wilhelm
Kaynak: HyperboloidThe hyperbolic
paraboloid form has been used for roofs at various times since it is easily constructed from straight sections of lumber,
Kaynak: Saddle roofThis configuration utilizes a two-axis feed flat mirror to reflect starlight into a fixed
paraboloid of revolution (paraboloidal) mirror
Kaynak: Pfund telescopefamily of equations that led to new structural and constructional systems, known as hyperboloids of revolution and hyperbolic
paraboloid s.
Kaynak: Hyperboloid structureThe hyperbolic
paraboloid and the hyperboloid of one sheet are doubly ruled surfaces. The plane is the only surface which contains three
Kaynak: Ruled surfaceClassical examples of two-dimensional saddle surfaces in the Euclidean space are second order surfaces, the hyperbolic
paraboloid z x^2-
Kaynak: Saddle surfaceThis pattern will be achieved by a truncated
paraboloid reflector or a circular
paraboloid reflector. Since the reflector is narrow in
Kaynak: Fan-beam antennaIts shell roof is in the shape of a hyperbolic
paraboloid, and is constructed of three thin skins of timber laid in different directions,
Kaynak: Church Army Chapel, BlackheathHyperbolic
paraboloid s, such as saddle roof s. Hyperboloid of one sheet , such as cooling tower s. Notable projects : The world's first
Kaynak: List of hyperboloid structuresThe curvature is actually that of an elliptic
paraboloid with a
e b. If the shape were that of a toroid , the mirror would exhibit
Kaynak: Toroidal reflector